3NA7:
reference: The 2.2-A structure of the HP0958 protein from Helicobacter pylori reveals a kinked anti-parallel coiled-coil hairpin domain and a highly conserved ZN-ribbon domain., Caly DL, O'Toole PW, Moore SA, J Mol Biol. 2010 Oct 29;403(3):405-19. Epub 2010 Sep 6. PMID: 20826163

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).